Cylinder Head Bolt Main Bearing Cap Bolts are manufactured through Heat Treatment Copy Turning/ Grinding process. Lakshman Tools Pvt. Ltd. Is the manufacturer of Cylinder Head Bolt Main Bearing Cap Bolts. Lakshman Tools Pvt. Ltd. Is an ISO 9001:2000 accredited company that manufactures high tensile steel fasteners suitable for applications in different types of industries and automobile companies. The fastener products are sold under the brand name of " RHINO" .Cylinder Head Bolt Main Bearing Cap Bolts have the Strength Designation Class/Grade of 12.9. These bolts are used in the manufacturing of Automobile & Engine Applications.